Electrically-propelled boat



M. R. LOIJA.

ELECTRICALLY PROPELLED BOAT.

APPLICATION FILED AUGJQ, 1919.

1,355,155. Patented 0015.111920.

2 SHEETS-SHEET I- M. R. LOUA.

ELECTRICALLY PROPELLED BOAT.

APPLICATION FILED AUG.|9, 1919.

Patented Oct. 12, 1920.

2 SHEETS-SHEET 2.

MARIA RODRIGUES LOIJA, 0F GEORGETOWN, BRJITISHv GUIANA.

ELECTRICALLY-PROPELLED BOAT.

Specicaton of Letters Patent.

vPatented Oct. 12, 1920.

Application led August 19, 1919. Serial No. 318,595.

To all whom t may concern.'

Be it known that I, MARIA. RoDRIGUEs LoIJA, a citizen of British Guiana, residing at 8 Brickdam, Georgetown, in the county of Demerara, State of British Guiana, have invented a new and useful Electrically-Propelled Boat; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

The invention relates to electrically operated boats and has for its object, to provide about of this character power for operating the propelling means of the boat is obtained from a trolley wire located over the course of the boat. Also to provide guide cables located over the stream or creek adapted to be engaged nby vertically adjustable members, carried by the ends of the boat, whereby the necessity of providing the boat with steering mechanism is obviated.

A further object is to provide the ends of the boat with vertically adjustable guide cable members, whereby the boat will be guided in its course in a creek or canal, said adjustable members being adjustable so that the ends thereof will be capable of adjustment so that they may be adjusted to guide cables at different heightsl and also to compensate for the distances from the water at different times, where the canal or creek is fed by tidal waters.

A further object is to provide an electrically operated boat, said boat being provided I with means for engaging guide means located over the waterway and to provide conductor means whereby the power will be conducted from any suitable source to the motor located on the boat, thence back to the source of power through one of the vertically adjustable guide standards.

Vith the above and other objects in view the invention resides in the combination and arrangement of parts as hereinafter. set forth, shown in the drawings, described and claimed, it being understood that changes in the precise embodiment of the invention may be made, within the scope of what is claimed without departing from the spirit of the invention.

Figure 1 is a perspective view of the boat, showing the same in position under the electric conductor wire and guide cables.

Fig. 2 is a side elevation of the boat, showwherein the two of the adjustable Fig. 5 is a detail view of the guide elevatl ing gear.

Referring to the drawings the numeral 1 designates a boat of conventional form and 2 the deck thereof. The ends of the boat are provided with eyes 3, to which a cou-V pling bar i may be attached as at 5, the other end of the coupling bar being attached as at 6 to an eye 7 on one of the ends of a boat 8 that is to be towed. It being understood that any number of boats may be towedA as desired.

Secured by means of rivets 10 to the deck 2 of the boat are standards 11, which are provided Slidably mounted in the guide passages 12 are rack bars 13 which terminate atk their upper ends in bifurcations 14. Between the arms 15 of said bifurcation sheaves 16 are pivotally mounted, the sheaves 16 being adapted to engage the guide cables 17 which are held in position, by means of the usual posts located on the banks of the stream and the usual Spanner wires. The standards 11 are provided with brackets 18 and rotatably mounted in the brackets 18 are the ends of the shafts 19, which shafts have keyed thereon by means of the keys 2O gears 21. Gears 21 mesh with the teeth of the vertical racks 13, so that when it is desired to raise or lower the cable engaging sheaves 16 a revoluble movement of the shafts 19 will cause the racks 13 to move upwardly or downwardly. This revoluble movement is accomplished by the operator grasping the handle members 22 of the shaft and forcing the shaft around. Therefore it will be seen that the guides located at each end of the boat may be raised in unison, so as to adjust the same to guide'cables located at different distances above the waterway, also to adjust the guides for different heights of the guide cables from the waterway, which may be caused by the fact that some waterways are fed by tidal waters.

The source of power may be located at any point along the waterway or at a distance from the same. However for purposes of illustration a battery symbol 23 is with vertical guide passages 12.'

suspended over the waterway and are used.v The current passing from the same over the wire 24; to the conductor wire 25, thence througl'i" the trolley' 26' to' a reversing switch 27, from which switeli'the-eurrent passes to the motor 28 which dri-ves the propeller-of theboat,l said propellen29 be- Y ing' Capable of being' reversed by means of the reversing switch 2'5. 'llheeur'rent atten leaving the motor 28 passes through the switeh 22, thence overtlie wire 2.8a te! one of the vertical racks: 13` to one' of the guide cables 17 from whielr it passes toy the wire 3() which carries the current back te the sourceI ot supply. Y

Then it is desired to ruin* the boat on a waterway, the" rack bars' llare forced? u-p- Y wardly by means of the gears 2l when* the L shafts'l'lfare' revelfv'ed. The' trolley is. then e 3oV placed'. in Contact with the conductor wire' 2.5;*` .Y 'hen' the motor' is started which revolvesathe propeller 29', thereby foreing the boat torwardly. However the motor may be i reversed by means' of thel switch 27? when it is desiredz to move the boat inthe other direction.4 The' 'rack barsv l, thev sheaves' of which engage the cable guides t7 Vmay be Vworked upwardly or downwardly to accorsmodfate the sheaves tof vcables at diferent hei-glitsirom the water.'` Thisvbeing -tioularly necessaryv wherethe"V waterway isV fed by tidal waters.v .Itvwil'l beseen that as' the boat advances',v that'the guide* cables will!v cause the` Vboat tofm'oveV aceording'to the position of the guide cables.

Keyed by means of they shaftsV 19 arelratchet wheels which are adapt-'edf tof be' engaged by the pawlsl which are pivoted to the bracketsulS of the keysY 3e- 'to the standards. rllhese pawls and ratohets when in engagement hold the rackbars 13 to their adjusted positions, but4 when released allow the rack bars to come down by force of gravity.

The invention having been set forth what is claimed as new' and useful is Y Anffelectricazlrly propelled boat comprising a hull, means for propelling the same, guide cables located overthefwaterway and adapted to be engagedV by vertically adjnstable guide members, said gi'iide members eemprising hollow standards, saict standards at each: end oet the hull' being in transverse' alii-nement,.'vertically' sllidable rack barst in saifdholllow standards-,theupper ends of said rack bars: being provided. with bifurcations" adapted to` receiwe the guirl'e cables, transY verselfy disposed shafts rotatably' mounted in bearings mounted ony the hollow stand- Vtwo.subscribing witnesses.VV

MARIA nennrenns Loran Witnesses:` i i" V Y FARIA Y Y. Y .,VV. i/.rrrin`vvrnuf1n.v

name to this specification inthe presence of In testimonywhereof li have signed my' 

